The Round of 64 continues in the 2007 National Heads-Up Championship with the Diamonds bracket, as eight more matches play out across the felt. Headlining the bracket are superstar actor Don Cheadle and superstar poker player Phil Ivey. Rounding out the bracket are Kristy Gazes vs. Clonie Gowen, Eric Larrivee vs. Isabelle Mercier, Chris Ferguson vs. Scott Fischman, Brad Booth vs. Howard Lederer, John D'Agostino vs. David Williams, Chad Brown vs. Yosh Nakano, and former commentator of this event Gabe Kaplan vs. Todd Brunson.
| Name | Type | Role | |
|---|---|---|---|
| Oliver 'Ali' Nejad | Host | Himself - Commentator |